2161643945

素因数分解:

$5^1\times {\mathrm{541}}^1\times {\mathrm{619}}^1\times {\mathrm{1291}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 2604982080

約数和(自身を除く): 443338135

約数列:

[1, 5, 541, 619, 1291, 2705, 3095, 6455, 334879, 698431, 799129, 1674395, 3492155, 3995645, 432328789, 2161643945]

約数ペア:

[(1, 2161643945), (5, 432328789), (541, 3995645), (619, 3492155), (1291, 1674395), (2705, 799129), (3095, 698431), (6455, 334879)]